LN
Function - Calculates the natural logarithm of the input.
Inputs
|
Input |
Data type |
Description |
|
IN |
REAL/LREAL |
Real value. |
Outputs
|
Output |
Data type |
Description |
|
Q |
REAL/LREAL |
Result: natural logarithm of IN. |
Remarks
In LD language, the operation is executed only if the input rung (EN) is TRUE. The output rung (ENO) keeps the same value as the input rung.
ST Language
Q := LN (IN);
FBD Language
LD Language
The function is executed only if EN is TRUE.
ENO keeps the same value as EN.
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